html {
  font-size: 62.5%; 
}
html, body {
  //height: 100%;
  padding: 0;
  margin: 0;
  color: #55575b;
  font-family: 'Avenir', Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: #f0f0f0;
  overflow: auto;
}
body, td, input, select, textarea, h1, h2, h3, h4, h5, h6 {
  font-size: 14px;
}
h1, h2, h3, h4, h5, h6 {
  font-weight: normal;
}
div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, form, fieldset, input, textarea, p, blockquote, th, td {
  margin: 0;
  padding: 0;
}
ul li, ol li {
  list-style: none;
}
img {
  border: 0;
  vertical-align: top;
}
input, select, textarea {
  vertical-align: middle;
  outline: none;
  box-sizing: border-box;
  border: 0;
}
input {
  padding: 0 10px;
}
a {
  text-decoration: none;
  color: #55575b;
}
a:hover {
  text-decoration: none;
}
.clearfix:after {
  visibility: hidden;
  display: block;
  font-size: 0;
  content: "";
  clear: both;
  height: 0;
}
.clearfix {
  *zoom: 1;
}
.mar-cent {
  margin-left: auto;
  margin-right: auto;
  display: block;
}
.fl, .a-left {
  float: left;
}
.fr, .a-right {
  float: right;
}
.hr20 {
  height: 20px;
  background-color: #f2f2f2;
}
.h2-title {
  color: #7c7c7c;
  line-height: 1;
  padding: 28px 0 30px 25px;
}
#app {
  height: 100%;
  overflow: auto;
}
.mt20 {
  margin-top: 20px;
}
.mb20 {
  margin-bottom: 20px;
}
.mb10 {
  margin-bottom: 10px;
}
// 在公共部分隐藏 在线客服
#YSF-BTN-HOLDER {
  display: none;
}
